Object tracking using a single sensor or a pair of sensors
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United States of America Patent
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-
Sep 2, 2003
Grant Date -
May 23, 2002
app pub date -
Mar 29, 2001
filing date -
Mar 9, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for tracking a moving object. The object is provided with one or more single-component sensors of a vector field. Generators of the vector field also are provided. Parameters of equations that relate the generated fields, as measured by the sensors, to the position of the object, but not to the orientation of the object, are determined either empirically or theoretically. These equations are solved to determine the position of the object without having to determine the orientation of the object. The scope of the invention also includes a helical guide wire wherein are integrally included one or more single-component sensors of a quasistatic magnetic field.
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